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Southernmost House - Adult Exclusive

4.0 star property

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Exterior
Courtyard View 2 Queen - Adults Only | Living area | 42-inch flat-screen TV with cable channels, TV, streaming services
Lunch and dinner served
Front of property – evening/night
Premium bedding, pillow-top beds, individually furnished

Reviews

9.4 out of 10
Exceptional

Popular amenities

  • Free Wi-Fi
  • Air-conditioning
  • Parking available

Explore the area

View in a map
1400 Duval Street, Key West, FL, 33040
  • Place, Duval Street
    ‪1 min walk‬
  • Place, South Beach
    ‪1 min walk‬
  • Place, Southernmost Point
    ‪2 min walk‬
  • Airport, Key West, FL (EYW-Key West Intl.)
    ‪13 min drive‬

Room options

View all photos for Premium Ocean View King - Adults Only

Premium Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Premium Ocean View King - Adults Only

9.0 out of 10
Wonderful
(4 reviews)
  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Ocean View King - Adults Only

Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Ocean View King - Adults Only

9.4 out of 10
Exceptional
(12 reviews)
  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Courtyard view King - Adults Only

Courtyard view King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard view King - Adults Only

10.0 out of 10
Exceptional
(6 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Premium Ocean View Bungalow King with Kitchenette - Adults Only

Premium Ocean View Bungalow King with Kitchenette - Adults Only | Premium bedding, pillow-top beds, individually furnished

Premium Ocean View Bungalow King with Kitchenette - Adults Only

  • Ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed and 1 Queen Sofa Bed OR 1 King Bed
  • Free Wi-Fi

View all photos for Pool View Bungalow Queen with Kitchenette - Adults Only

Pool View Bungalow Queen with Kitchenette - Adults Only | Premium bedding, pillow-top beds, individually furnished

Pool View Bungalow Queen with Kitchenette - Adults Only

8.6 out of 10
Excellent
(8 reviews)
  • 37 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed and 1 Double Sofa Bed
  • Free Wi-Fi

View all photos for Courtyard View 2 Queen - Adults Only

Courtyard View 2 Queen - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard View 2 Queen - Adults Only

9.6 out of 10
Exceptional
(12 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 2 Queen Beds
  • Free Wi-Fi

View all photos for Partial Ocean View King - Adults Only

Partial Ocean View King - Adults Only | Premium bedding, pillow-top beds, individually furnished

Partial Ocean View King - Adults Only

9.4 out of 10
Exceptional
(13 reviews)
  • Partial ocean view
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed
  • Free Wi-Fi

View all photos for Courtyard view Queen ADA - Adults Only

Courtyard view Queen ADA - Adults Only | Premium bedding, pillow-top beds, individually furnished

Courtyard view Queen ADA - Adults Only

7.8 out of 10
Good
(6 reviews)
  • 46 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 Queen Bed
  • Free Wi-Fi

View all photos for Courtyard view King - Adults Only

Premium bedding, pillow-top beds, individually furnished

Courtyard view King - Adults Only

  • Sleeps 2
  • Free Wi-Fi

View all photos for Courtyard view Queen ADA - Adults Only

Living area | 42-inch flat-screen TV with cable channels, TV, streaming services

Courtyard view Queen ADA - Adults Only

  • Sleeps 2
  • Free Wi-Fi

View all photos for Premium Ocean View King - Adults Only

Premium bedding, pillow-top beds, individually furnished

Premium Ocean View King - Adults Only

  • Sleeps 2
  • Free Wi-Fi

View all photos for 1-Bedroom Suite with Full Kitchen - Adults Only

1-Bedroom Suite with Full Kitchen - Adults Only | Premium bedding, pillow-top beds, individually furnished

1-Bedroom Suite with Full Kitchen - Adults Only

10.0 out of 10
Exceptional
(1 review)
  • 65 sq m
  • 1 bedroom
  • Sleeps 2
  • 1 King Bed and 1 Queen Sofa Bed
  • Free Wi-Fi

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About this property

Southernmost House - Adult Exclusive

Along with an outdoor pool, this smoke-free hotel has a restaurant and a bar/lounge. Free cooked-to-order breakfast and free WiFi in public areas are also provided. Other amenities include self parking, coffee/tea in a common area and a picnic area. Housekeeping is available on request.
Southernmost House - Adult Exclusive offers 18 air-conditioned accommodations with coffee/tea makers and designer toiletries. Each accommodation is individually furnished. Pillowtop beds feature premium bedding. 42-inch flat-screen televisions come with premium cable channels.

Bathrooms include a shower, complimentary toiletries and hairdryers. This Key West hotel provides complimentary wireless Internet access, with a speed of 100+ Mbps (good for 1–2 people or up to 6 devices). Housekeeping is provided on a daily basis.

Recreational amenities at the hotel include an outdoor pool.

The recreational activities listed below are available either on-site or nearby; fees may apply.

Our customers tell us they can't get enough of Southernmost House - Adult Exclusive's great location. During your stay, you're just a quick walk from Southernmost Point. Features include free breakfast and free WiFi in public areas, plus an outdoor pool.
  • Free cooked-to-order breakfast served daily
  • Free Wi-Fi (speed: 100+ Mbps (good for 1–2 people or up to 6 devices))
  • Enjoy a bite to eat at Seaside Cafe at Mansion, a café with ocean views
  • Self-parking available for a fee
  • Take a swim in the outdoor pool
  • Amenities include multilingual staff, a terrace and coffee/tea in a common area
  • Guests have great things to say about the location and the overall condition of the property
  • Steps from Southernmost Point and Duval Street
There's a restaurant on site. You can enjoy a drink at the bar/lounge. Free breakfast is available daily. WiFi is free in public spaces.

An outdoor pool, a terrace, and multilingual staff are also featured at Southernmost House - Adult Exclusive. Parking is available for a fee.

This 4-star Key West hotel is smoke free.

Guests are served a free cooked-to-order breakfast daily from 8 AM to 10 AM.
Seaside Cafe at Mansion – Overlooking the ocean, this café serves lunch and dinner. Guests can enjoy drinks at the bar.

Property amenities

Internet

  • Available in all rooms: Free WiFi
  • In-room WiFi speed: 100+ Mbps (good for 1–2 people or up to 6 devices)
  • Available in some public areas: Free WiFi

Parking and transport

  • Parking on site (USD 40 per night)
  • Limited on-site self parking
  • Onsite parking includes off-street options

Food and drink

  • Free cooked-to-order breakfast available daily 8 AM to 10 AM
  • A bar/lounge
  • A restaurant
  • Coffee and tea in common areas

Restaurants on site

  • Seaside Cafe at Mansion

Things to do

  • Outdoor pool

Conveniences

  • Limited-hour front desk

Guest services

  • Housekeeping (daily)
  • Multilingual staff

Outdoors

  • On the waterfront
  • Outdoor furniture
  • Picnic area
  • Pool loungers
  • Pool umbrellas
  • Terrace

Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Grab bar in shower
  • Grab bar near toilet
  • Hand-held showerhead
  • No lift

More

  • 2 buildings
  • 3 floors
  • Built in 1897
  • Smoke-free property
  • Victorian architecture

Room amenities

Bedroom

  • Pillowtop mattress
  • Premium bedding

Bathroom

  • Designer toiletries
  • Hair dryer
  • Shampoo
  • Shower
  • Soap
  • Toilet paper
  • Towels provided

Entertainment

  • 42-inch flat-screen TV with premium cable channels
  • Streaming services

Food and drink

  • Coffee/tea maker

More

  • Air conditioning
  • Individual furnishings
  • Iron/ironing board

Policies

Check-in

Check-in start time: 4 PM; check-in end time: 10 PM
Late check-in subject to availability
Minimum check-in age - 21

Check-out

Check-out before 11 AM

Special check-in instructions

The front desk is open daily from 8:00 AM - 10 PM
Front desk staffed during limited hours
If you are planning to arrive after 8:00 PM please contact the property in advance using the information on the booking confirmation
Information provided by the property may be translated using automated translation tools

Renovations and closures

The property will be renovating from 15 April 2026 to 31 December 2026 (completion date subject to change). The following areas are affected:
  • Exterior
Renovation work will only be conducted during working hours. Every effort will be made to minimise noise and disturbance.

Access methods

Front desk (limited hours)

Pets

  • No pets allowed

Children and extra beds

  • Children younger than 18 are not allowed at this adults-only property. All guests 18 and older are welcome.
  • Rollaway/extra beds are not available.
  • Cots (infant beds) are not available.

Payment types at the property

Important information

Fees

Guests will be asked to pay the following charges at the property:

  • Resort fee: USD 33.75 per accommodation, per night
The resort fee includes:
  • Beach towels
  • Concierge service
  • Housekeeping
  • In-room bottled water
  • In-room coffee
  • Pool access

We've listed all charges provided to us by the property.

Optional extras

The fees and deposits listed below will be charged at the time of service, check-in, or check-out.

  • Self-parking fee: USD 40 per night

This may not be a comprehensive list. Fees and deposits are subject to change and might not include tax.

You need to know

This property is managed by a professional host. The provision of housing is linked to their trade, business or profession.
Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Minimum Spring Break check-in age is 24 years old.
This property accepts credit cards; cash is not accepted
Cashless transactions are available
Noise-free guestrooms cannot be guaranteed
Safety features at this property include a carbon monoxide detector, a fire extinguisher and a smoke detector
This property has outdoor spaces, such as balconies, patios and terraces, which may not be suitable for children; if you have any concerns, we recommend contacting the property prior to your arrival to confirm that they can accommodate you in a suitable room
The front desk at this property is open daily from 8:00 AM - 10 PM.
Guests arriving after 8:00 PM must make advance arrangements by contacting the property using the information on the booking confirmation. Front desk staff will greet guests on arrival at the property.

We should mention

  • Pool access available from 8:00 AM to 10:00 PM
  • This is an adults-only property and children 18 years old and younger aren't allowed.
  • Registered guests are the only ones allowed to be in guestrooms.

Property is also known as

Southernmost House
Southernmost House Hotel
Southernmost House Hotel Key West
Southernmost House Key West
Southernmost House
The Southernmost House Hotel
The Southernmost House Hotel Adults Only
The Mansion on the Sea Southernmost House in the USA
The Mansion on the Sea - Southernmost House in the USA Hotel
The Mansion on the Sea - Southernmost House in the USA Key West

Southernmost House - Adult Exclusive Reviews

Reviews

9.4

Exceptional

Rating 10 - Excellent. 783 out of 1002 reviews
Rating 8 - Good. 138 out of 1002 reviews
Rating 6 - Okay. 51 out of 1002 reviews
Rating 4 - Poor. 21 out of 1002 reviews
Rating 2 - Terrible. 9 out of 1002 reviews

9.6/10

Cleanliness

9.6/10

Staff & service

9.2/10

Amenities

9.0/10

Property conditions & facilities

Reviews

Verified

10/10 Excellent

Adam

Liked: Amenities, property conditions & facilities
Ocean view, great pool & great staff. Excellent place to stay!
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Gregory

Liked: Cleanliness, amenities, property conditions & facilities
Excellent location, friendly staff, great amenities. Very happy we stayed there!
View from our room.
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Noelle

Liked: Cleanliness, amenities, property conditions & facilities
Good staff, clean room, nice breakfast, good location
Stayed 6 nights in Jan 2026
Verified

10/10 Excellent

Stephen

Liked: Cleanliness, staff & service, amenities
Fun place, great location, great staff.
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Mary

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Historic property with easy access to everything.
Stayed 5 nights in Jan 2026
Verified

10/10 Excellent

James

Liked: Cleanliness, amenities, property conditions & facilities
Loved the historic mansion. The views & location were beautiful & the staff were nothing short of amazing.
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Jacob

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place to stay. Staff was very friendly
Stayed 2 nights in Dec 2025
Verified

8/10 Good

Elizabeth

Beautiful location. Clean and friendly staff
Stayed 4 nights in Jan 2026
Verified

10/10 Excellent

Kay

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
My husband and I stayed in room 101 for four nights. Beautiful ocean view and very quiet! Staff were all very friendly and accommodating. We would definitely stay here again.
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Michael

Liked: Cleanliness, staff & service, property conditions & facilities
Everything was perfect!
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Kathleen

Liked: Cleanliness, amenities, property conditions & facilities
Room spotless and staff were wonderful!
Stayed 3 nights in Dec 2025
Verified

10/10 Excellent

Elizabeth

Liked: Cleanliness, amenities, property conditions & facilities
Courteous staff, great breakfast and wonderful ocean front location! We were able to go everywhere we wanted on foot.
Back of property
Ocean view
Courtyard by pool
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Peggy

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Staff went beyond what was expected to assist. Great location, and continental breakfast. Rooms were good size.
Stayed 3 nights in Mar 2026
Verified

10/10 Excellent

Rebecca

Liked: Cleanliness, staff & service, amenities
Spotless and great staff- shout out to Auri!
Stayed 4 nights in Feb 2026
Verified

10/10 Excellent

Jeffrey

Liked: Cleanliness, staff & service, amenities
The experience was splendid, and the entire staff of The Southernmost House are professional and courteous. The breakfast was delicious and abundant. The location is wonderful, on the quiet end of Dubal. The pool was heavenly.
Stayed 2 nights in Feb 2026
Verified

10/10 Excellent

Willie

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Great place with excellent staff.
Stayed 5 nights in Oct 2025
Verified

10/10 Excellent

Judith

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
The staff was so friendly and really worked together last me a family. Very hospitable!
Stayed 3 nights in Jan 2026
Verified

10/10 Excellent

Bradley

Liked: Cleanliness, amenities, property conditions & facilities
Wonderful location, attentive staff and beautiful valentines touches such as sparkling wine and chocolates. Outstanding!
Stayed 1 night in Feb 2026
Verified

10/10 Excellent

Katherine

Liked: Cleanliness, amenities, property conditions & facilities
Fantastic location, wonderful views, kind and courteous staff. Would definitely recommend!
Sunrise
View from room 202
Stayed 4 nights in Dec 2025
Verified

8/10 Good

Ryan

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Really cool place to stay!!
Stayed 2 nights in Jul 2025
Verified

10/10 Excellent

Richard

Liked: Cleanliness, staff & service
Great place to stay overlooking the water with nice pool. Staff is great. Location is great, close to everything but not in the middle of the craziness of Duvall Street. Room was good. General property could use some sprucing up but doesn’t take away from the overall pluses of the place.
Stayed 5 nights in Mar 2026
Verified

10/10 Excellent

Matthew

Liked: Cleanliness, staff & service, property conditions & facilities
Very beautiful place to stay in Key West. Will stay here again if we return.
Stayed 1 night in Sep 2025
Verified

10/10 Excellent

Ann E.

Liked: Cleanliness, amenities, property conditions & facilities
Hospitality and location
Stayed 1 night in Nov 2025
Verified

10/10 Excellent

Lloyd

Liked: Cleanliness, staff & service, amenities, property conditions & facilities
Had a great stay highly recommend to friends
Stayed 4 nights in Jul 2025
Verified

8/10 Good

Fanny Sarah

Liked: Cleanliness, amenities
Beautiful area , hotel right on the beach
Stayed 1 night in Jul 2025